PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A118Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-398-9354 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-9354 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-9354. Primary manufacturer part number: A118.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: SINGLE WIDTH
  • Rotation Direction for Which Designed: CLOCKWISE
  • Material: COPPER ALLOY
  • Overall Diameter: 7.000 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-398-9354, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-9354
Primary Part NumberA118
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Design TypeSINGLE WIDTH
Rotation Direction for Which DesignedCLOCKWISE
MaterialCOPPER ALLOY
Overall Diameter7.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-280-5593 INTERCHANGEABLE
Transformer,power
5315-00-721-7960A1-18 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
BS5-1615PC16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1583PC16 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A118 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5950-00-280-5593INTERCHANGEABLE
TRANSFORMER,POWER
5315-00-721-7960INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A1-18

Frequently Asked Questions

What is NSN 4320-00-398-9354?

NSN 4320-00-398-9354 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-9354?

NSN 4320-00-398-9354 has 3 cross-referenced part numbers: BS5-1615PC16 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1583PC16 (Circor Naval Solutions Llc Dba Warren Pumps), A118 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-398-9354?

There are 2 known substitutes for 4320-00-398-9354: 5950-00-280-5593, 5315-00-721-7960. Verify interchangeability with system specifications before substitution.

What are the specifications of A118?

Key specifications for A118: Design Type: SINGLE WIDTH; Rotation Direction for Which Designed: CLOCKWISE; Material: COPPER ALLOY; End Item Identification: WARREN PUMP MODEL 2-SSV-7-1/2 CENTRIFUGAL PUMP. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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